Pith Number

pith:UTC7CM6H

pith:2026:UTC7CM6H3HTQPNJSJ5L5MHBN6V

not attested not anchored not stored refs pending

TYC 170-1218-1: A new r-process-enhanced extremely metal-poor star, rich in Th

A. Mucciarelli (UniBo), E. Caffau, J. Alazzawi, L. Monaco (UNAB), L. Sbordone (ESO), M. Spite, P. Bonifacio, P. Fran\c{c}ois

arxiv:2606.09352 v1 · 2026-06-08 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UTC7CM6H3HTQPNJSJ5L5MHBN6V}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-06-09T02:08:17.141496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4c5f133c7d9e707b5324f57d61c2df56615bb04f614f02ff3fdb54c80c87fd0

Aliases

arxiv: 2606.09352 · arxiv_version: 2606.09352v1 · doi: 10.48550/arxiv.2606.09352 · pith_short_12: UTC7CM6H3HTQ · pith_short_16: UTC7CM6H3HTQPNJS · pith_short_8: UTC7CM6H

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/UTC7CM6H3HTQPNJSJ5L5MHBN6V \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: a4c5f133c7d9e707b5324f57d61c2df56615bb04f614f02ff3fdb54c80c87fd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c018e61643fd65f2f0706463cdc2f7fb101682a9ae92dbb633480370170e5423",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-06-08T11:26:37Z",
    "title_canon_sha256": "5dc30f4ead9a55960701089364b472dcbbead699ec3a9df5318cf132df021b39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.09352",
    "kind": "arxiv",
    "version": 1
  }
}